Senior Software Engineer

ns and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview
Dynamic Yield under the Services Organization is looking for a Senior Software Engineer to join our Admin Infrastructure team, which focuses on building and maintaining both frontend and backend systems that power internal tools and developer experience. This team develops scalable web applications and services that enable product teams to deliver high-quality solutions efficiently.

Role
As a Senior Software Engineer, you will work across the stack, contributing to frontend frameworks, backend services, and infrastructure tools. You'll help design and implement solutions that improve developer workflows, enhance admin capabilities, and ensure reliability and scalability of our internal platforms.
If you're passionate about web application development, infrastructure, and creating tools that empower engineers - we'd love to hear from you!

All About You
• Full-stack expertise: Strong experience with modern frontend technologies (React, TypeScript, CSS-in-JS) and backend development using Node.js.
• Infrastructure focus: Familiarity with CI/CD pipelines, testing frameworks, linting tools, and component libraries (e.g., Storybook).
• Web application mindset: Ability to design and implement scalable, maintainable solutions for admin tools and internal platforms.
• Quality-first approach: Advocate for testing (unit, integration, E2E), accessibility, and clean, maintainable code.
• Collaboration: Strong communication skills and ability to work effectively with cross-functional teams.
• Continuous learning: Interest in exploring new technologies and improving processes.

Education
BS Degree or equivalent combination of experience and formal education.

Knowledge / Experience
• Experience: 7-8 years of software engineering experience, including both frontend and backend development.
• Proficiency in JavaScript/TypeScript and frameworks such as React, plus experience with Node.js services.
• Experience building scalable web applications and working with APIs.
• Familiarity with cloud environments and deployment pipelines.
• Strong attention to detail and commitment to delivering high-quality work.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.